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Richard Scheffenegger 64ffe6d440 Add DSCP support for network QoS to iscsi target.
In order to prioritize iSCSI traffic across a network,
DSCP can be used. In order not to rely on "ipfw setdscp"
or in-network reclassification, this adds the dscp value
directly to the portal group (where TCP sessions are accepted).

The incoming iSCSI session is first handled by ctld for any
CHAP authentication and the socket is then handed off to the
in-kernel iscsi driver without modification of the socket
parameters. Simply setting up the socket in ctld is sufficient
to keep sending outgoing iSCSI related traffic with the
configured DSCP value.

Reviewed by:	mav, trasz
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26385
2020-09-27 21:43:19 +00:00
.github/workflows Add github CI for testing cross-building from Linux and macOS 2020-09-23 12:54:37 +00:00
bin cp: tests: fix weird 20 insertion 2020-09-23 03:02:45 +00:00
cddl loader: zfs should support bootonce an nextboot 2020-09-21 09:01:10 +00:00
contrib Remove Linux and IRIX specific files. 2020-09-27 18:39:12 +00:00
crypto Merge OpenSSL 1.1.1h. 2020-09-22 16:18:31 +00:00
etc cp: add some basic tests 2020-09-23 03:01:14 +00:00
gnu build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
include Import OpenSSL 1.1.1h. 2020-09-22 14:27:08 +00:00
kerberos5 Fix a noisy -Wundef warning when bootstrapping tools 2020-09-10 15:37:15 +00:00
lib lib/libc/tests/iconv: raise WARNS to 6 2020-09-24 21:42:44 +00:00
libexec [PowerPC64LE] Use a shared LIBC_ARCH for powerpc64le. 2020-09-23 00:21:51 +00:00
release [PowerPC64LE] Add release building script for powerpc64le. 2020-09-23 01:13:29 +00:00
rescue loader: zfs should support bootonce an nextboot 2020-09-21 09:01:10 +00:00
sbin nextboot(8): Fix behavior on non-ZFS /boot systems 2020-09-23 17:04:27 +00:00
secure Merge OpenSSL 1.1.1h. 2020-09-22 16:18:31 +00:00
share tcp(4): Add a reference for tcp_bbr(4) man page 2020-09-24 19:59:29 +00:00
stand loader: fix non-zfs build 2020-09-23 19:15:22 +00:00
sys Get rid of sa->narg. It serves no purpose; use sa->callp->sy_narg instead. 2020-09-27 18:47:06 +00:00
targets Add WITH_CLANG_FORMAT option 2020-06-24 17:03:42 +00:00
tests Enable SO_LINGER to the so_reuseport_lb_test regression tests, preventing 2020-09-25 16:02:13 +00:00
tools Slightly modify wording to better match nearby entries. 2020-09-24 06:12:57 +00:00
usr.bin Fix typo and environment variable macro 2020-09-24 16:42:17 +00:00
usr.sbin Add DSCP support for network QoS to iscsi target. 2020-09-27 21:43:19 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: skip svn_head branch 2020-09-19 13:55:26 +00:00
.clang-format Move vm_page_dump bitset array definition to MI code 2020-09-21 22:20:37 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore .gitignore: Add LINT kernel configurations generated into SRCDIR 2019-08-10 18:22:22 +00:00
COPYRIGHT Happy New Year 2020! 2019-12-31 16:01:36 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add a pointer to csprng@ for the CSPRNG driver. This is enforced anyway by 2020-09-01 08:02:12 +00:00
Makefile [PowerPC64LE] Set up powerpc.powerpc64le architecture 2020-09-22 23:49:30 +00:00
Makefile.inc1 [PowerPC64LE] Set up powerpc.powerpc64le architecture 2020-09-22 23:49:30 +00:00
Makefile.libcompat Add WITH_/WITHOUT_CLEAN option to replace NO_CLEAN 2020-09-08 00:44:35 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc tests: move the memfd tests over to sys/posixshm 2020-09-23 19:54:59 +00:00
README Import OpenSSL 1.1.1h. 2020-09-22 14:27:08 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
RELNOTES Add an entry to RELNOTES for the NFS over TLS kernel support. 2020-08-30 21:46:29 +00:00
UPDATING fix typo imorted -> imported. 2020-09-26 04:06:16 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html